ATSAMD51J20A-MUT

The ATSAMD51J20A-MUT is Microchip’s high‑performance 32‑bit MCU in the SAM D51 family. It uses an ARM Cortex‑M4F core (DSP/FPU) and runs up to about 120 MHz, delivering strong performance with efficient power usage. It combines on‑chip flash and RAM with a rich peripheral set: SERCOMs for SPI/I2C/UART, USB 2.0 Full‑Speed, analog peripherals, a peripheral touch controller (PTC), DMA, and an event‑routing system, plus flexible clocks and power management. The -MUT suffix denotes a specific package/revision option for this device (pinout/package varies by variant). Supported by Microchip tools (MPLAB X IDE, Atmel START, ASF) and standard ARM toolchains, it’s suitable for IoT, wearables, audio, and sensor‑driven applications that require a capable, low‑power MCU with broad peripherals.

Key features of ATSAMD51J20A-MUT:
- CPU: ARM Cortex‑M4F up to 120 MHz, with FPU and DSP
- Memory: up to 1 MB Flash, up to 256 KB SRAM; EEPROM emulation
- USB: Full‑Speed USB 2.0 device
- SERCOM: six SERCOM modules for UART/SPI/I2C
- DMA/EVSYS: DMAC with multiple channels and Event System
- Analog: 12‑bit ADC with wide multiplexed inputs (up to ~1 Msps)
- Timers: multiple 16/32‑bit Timer/Counters
- Real‑time clock and watchdog timers
- Power: 1.62–3.63 V operation, multiple sleep modes, brown‑out detection
- Debug: SWD/JTAG debug interface
- Other: multiple clock sources; various package options
Note: exact memory sizes and peripheral counts can vary by package/variant.

Pin count: 100 pins (MUT package). Function: 32‑bit ARM Cortex‑M4F microcontroller (SAMD51J20A family) with built‑in peripherals and Flash/SRAM.

- Manufacturer: Microchip Technology Inc. (the Atmel brand).
- What kind of company: An American multinational semiconductor company that designs, develops, manufactures, and markets microcontrollers, analog/mixed-signal ICs, memory, and other semiconductor products.

ATSAMD51J20A-MUT is a high-performance 32‑bit MCU (Cortex‑M4F up to 120 MHz) with ample flash/RAM, USB (device/OTG), ADC/DAC, I2S, SERCOM, and advanced timers. Typical applications include:
- USB peripheral devices (HID, MIDI, audio) and USB interfaces
- Digital audio, DSP and multimedia processing
- Motor control and power electronics
- Industrial automation, instrumentation and data acquisition
- Consumer electronics, wearables and IoT edge devices
- Prototyping, education and development platforms

LQFP-100 (Lead Quad Flat Package, 100 pins). The -MUT suffix indicates the LQFP-100 package variant.